Harman US

Wapello, IA Weather & Growing Conditions

Tonight
69°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2am. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 69°F Mostly Cloudy then Chance Showers And Thunderstorms 5 to 10 mph SE 47%
Saturday 86°F Chance Showers And Thunderstorms 5 to 10 mph S 54%
Saturday Night 65°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 mph NW 78%
Sunday 74°F Showers And Thunderstorms 5 to 15 mph NE 78%
Sunday Night 58°F Showers And Thunderstorms Likely 10 to 15 mph NE 72%
Monday 66°F Rain Showers Likely 10 to 15 mph NE 64%
Monday Night 53°F Rain Showers Likely 10 to 15 mph NE 57%
Tuesday 64°F Chance Rain Showers 10 mph NE 41%
Tuesday Night 49°F Partly Cloudy 5 to 10 mph NE 7%
Wednesday 67°F Mostly Sunny 5 mph NE 1%
Wednesday Night 53°F Partly Cloudy 0 to 5 mph NE 2%
Thursday 70°F Mostly Sunny 0 to 5 mph NE 8%
Thursday Night 55°F Partly Cloudy 0 to 5 mph NE 6%
Friday 72°F Mostly Sunny 0 to 5 mph NE 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Wapello, IA

Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
190 days
Hardiness zone
5b

Explore more for Wapello, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, New Boston Dam 17, Il (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.